Spraying equipment for precise surface of expressway pavement

Abstract

The utility model belongs to the technical field of highway construction, and particularly relates to highway pavement fine surface spraying equipment which comprises a batching box body, and an inclined screening plate is mounted in the batching box body; an integrally-formed sand inlet is formed in the upper end of the material guide box, a sand scattering opening is formed in the lower end of the material guide box, an integrally-formed material guide channel is arranged at the lower end in the batching box body, and a spiral feeder is installed in the material guide channel. According to the sand screening device, guided-in sand materials are screened through the inclined screening plate, the adhered sand materials are scattered through the discharging paddle, sand material accumulation and blockage are prevented, the motor drives the discharging paddle to rotate through the chain transmission mechanism, and therefore the sand materials are scattered, and blockage is further prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of highway construction, and particularly relates to a fine surface treatment spraying device for highway pavement. Background Technique

[0002] Fine surface treatment, also known as fine anti-skid surface treatment technology, is a revolutionary new method for preventive maintenance of road surfaces. It adopts the layer paving process. By selecting single-sized crushed stones and polymer composite modified bonding materials, and then spraying stabilizing materials on the high-coverage chip seal, a thin and strong asphalt pavement layer is constructed.

[0003] The chip seal spraying device is used to spray various liquid asphalt materials in the surface treatment and maintenance projects of asphalt pavements and is widely used in highway construction. For example, a chip seal spraying device for highway maintenance disclosed in the Chinese utility model patent with the authorization announcement number CN212801104U and the authorization announcement date of March 26, 2021, includes a vehicle frame. One side of the top of the vehicle frame is fixedly connected with a controller. One side of the controller is provided with a lifting mechanism installed on the vehicle frame. One side of the bottom of the vehicle frame is fixedly connected with a fixing strip. Both sides of the bottom of the fixing strip are fixed with sliding rods, and sliding sleeves are slidably sleeved on both sliding rods. The structure of this chip seal spraying device is complex, and the sand material structure is prone to blockage during the conveying process, thus affecting the spraying operation. Summary of the Invention

[0004] The purpose of the utility model is to provide a fine surface treatment spraying device for highway pavement, which solves the problems of complex structure of the existing chip seal spraying device and easy blockage of the sand material structure during the conveying process.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A fine surface treatment spraying device for highway pavement includes a batching box body, and an inclined screening plate is installed inside the batching box body;

[0006] It also includes a material guiding box, which is arranged on one side of the batching box body. The upper end of the material guiding box is provided with an integrally formed sand inlet, and the lower end of the material guiding box is provided with a sand spreading port. Both the sand inlet and the sand spreading port are communicated with the batching box body;

[0007] An integrally formed material guiding channel is arranged at the lower end inside the batching box body, and a screw feeder is installed inside the material guiding channel. The screw feeder is used to guide the screened sand material into the material guiding box;

[0008] A sealing plate is installed at the upper end of the batching box body. Above the sealing plate, there are a material bin A, a material bin B, and a cleaning agent bin. Feeding valves are installed inside the material bin A, the material bin B, and the cleaning agent bin, and the feeding valves are respectively fixedly connected with the batching box body and the sealing plate.

[0009] Preferably, the inclined screening plate is provided with integrally formed strip-shaped screening openings, a feeding paddle is installed inside the strip-shaped screening openings, connecting shafts are installed at both ends of the feeding paddle, the connecting shafts are rotationally connected to the inclined screening plate through bearings, connecting plates are installed on both sides of the inclined screening plate, and the inclined screening plate is fixedly connected to the batching box through the connecting plates.

[0010] Preferably, installation partitions are installed at the front end and the rear end of the batching box, the installation partitions are fixedly connected to the batching box through buckles and pins, a drive box is installed outside the installation partitions, a motor and a chain drive mechanism are installed inside the drive box, and the motor drives each connecting shaft to rotate through the chain drive mechanism, so that each feeding paddle rotates.

[0011] Preferably, a bearing seat is installed on one side of the material guiding channel, the screw feeder is rotationally connected to the batching box through the bearing seat, a reduction motor is installed on one side of the batching box, and the reduction motor is in transmission connection with the screw feeder through a coupling.

[0012] Preferably, a movable material guiding plate is installed at the upper end of the material guiding box, a motor is installed on one side of the movable material guiding plate, the motor is connected to the material guiding box through fixing screws, an output shaft of the motor is fixedly connected to one end of the movable material guiding plate, and the other end of the movable material guiding plate is rotationally connected to the material guiding box.

[0013] Preferably, a movable sliding groove is integrally formed at the lower end of the material guiding box, a sealing valve plate is installed inside the movable sliding groove, the sealing valve plate is slidably connected to the material guiding box through the movable sliding groove, and an electric cylinder is installed on one side of the sealing valve plate and is fixedly connected to the sealing valve plate.

[0014] The beneficial effects of the present utility model: The present utility model screens the coarse sand through the inclined screening plate to prevent the sand body from adhering and affecting the spraying effect, and the inclined inclined screening plate guides the sand material. The sand material introduced is screened through the inclined screening plate. During the screening process, the adhering sand material is scattered by the feeding paddle to prevent the sand material from accumulating. The motor drives the feeding paddle to rotate through the chain drive mechanism, thereby scattering the sand material and further preventing blockage. Description of the Drawings

[0015] Figure 1 is the front axonometric view of the precise surface treatment spraying equipment for highway pavements in the present utility model;

[0016] Figure 2 is the top axonometric view of the precise surface treatment spraying equipment for highway pavements in the present utility model;

[0017] Figure 3 is the bottom axonometric view of the precise surface treatment spraying equipment for highway pavements in the present utility model;

[0018] Figure 4 is Figure 3 An enlarged view of area A in

[0019] Figure 5 Is an axonometric view of the interior of the batching box of the present utility model from above

[0020] Figure 6 is Figure 5 An enlarged view of area B in

[0021] Figure 7 Is an axonometric view of the cross-section of the batching box in the present utility model

[0022] In the figure:

[0023] 1. Batching box; 101. Installation partition; 1011. Driving box; 102. Reduction motor; 103. Feeding channel; 104. Inclined screening plate; 1041. Strip-shaped screening opening; 1042. Feeding paddle; 1043. Connecting plate; 1044. Connecting shaft; 105. Screw feeder

[0024] 2. Feeding box; 201. Sand inlet; 202. Movable feeding plate; 2021. Electric motor; 203. Sand spreading opening; 204. Movable chute; 205. Sealing valve plate

[0025] 3. Sealing plate; 301. Bin A; 302. Bin B; 303. Cleaning agent bin

[0026] 4. Construction vehicle Specific embodiments

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model

[0028] A highway pavement micro-surfacing spraying device includes a batching box 1 and a feeding box 2. An inclined screening plate 104 is installed inside the batching box 1. The coarse sand is screened through the inclined screening plate 104 to prevent the sand from adhering and affecting the spraying effect. And the inclined inclined screening plate 104 guides the sand material, and the sand material is fully screened during the movement process to ensure the screening effect

[0029] The material guide box 2 is arranged on one side of the batching box body 1, and an integrally formed sand inlet 201 is arranged at the upper end of the material guide box 2, and a sand spreading port 203 is arranged at the lower end of the material guide box 2. The sand inlet 201 and the sand spreading port 203 are both connected with the batching box body 1. The sand material is introduced into the batching box body 1 through the sand inlet 201, dispersed and screened by the oblique screening plate 104, and then discharged through the sand spreading port 203 for spreading. The structure is stable and easy to operate.

[0030] An integrally formed material guide channel 103 is provided at the lower end of the interior of the batching box 1, and a screw feeder 105 is installed inside the material guide channel 103. The screw feeder 105 is used to guide the screened sand into the material guide box 2 for spreading. The inverted trapezoidal material guide channel 103 facilitates the mixing and centralized transportation of the sand, thereby improving work efficiency.

[0031] An integrally formed strip screening opening 1041 is provided on the oblique screening plate 104, a feeding paddle 1042 is installed inside the strip screening opening 1041, connecting shafts 1044 are installed at both ends of the feeding paddle 1042, the connecting shaft 1044 is rotatably connected to the oblique screening plate 104 through a bearing, connecting plates 1043 are installed on both sides of the oblique screening plate 104, the oblique screening plate 104 is fixedly connected to the batching box 1 through the connecting plates 1043, the introduced sand material is screened by the oblique screening plate 104, and during the screening process, the adhering sand material is broken up by the feeding paddle 1042 to prevent the sand material from accumulating and clogging.

[0032] The front and rear ends of the batching box 1 are both equipped with mounting partitions 101, which are fixedly connected to the batching box 1 by buckles and latches, and the outside of the mounting partition 101 is equipped with a driving box 1011, and the inside of the driving box 1011 is equipped with a motor and a chain transmission mechanism, and the motor drives each connecting shaft 1044 to rotate through the chain transmission mechanism, so that each unloading paddle 1042 rotates, thereby breaking up the sand material inside the bar screening port 1041.

[0033] The coarse sand is screened by the inclined screen plate 104 to prevent the sand from sticking and affecting the spreading effect, and the inclined screen plate 104 guides the sand. The introduced sand is screened by the inclined screen plate 104. During the screening process, the sticking sand is broken up by the discharge paddle 1042 to prevent the sand from piling up.

[0034] A bearing seat is installed on one side of the material guide channel 103, and the screw feeder 105 is rotatably connected to the batching box 1 through the bearing seat. A reduction motor 102 is installed on one side of the batching box 1, and the reduction motor 102 is transmission-connected to the screw feeder 105 through a coupling. The screw feeder 105 rotates to stir the sand material mixture and move to the position of the material guide box 2, thereby performing rapid mixing. The reduction motor 102 is adjusted to adjust the spreading amount according to the spreading requirements.

[0035] A sealing plate 3 is installed at the upper end of the batching box body 1. Above the sealing plate 3, there are a bin A 301, a bin B 302 and a cleaning agent bin 303. Discharge valves are installed inside the bin A 301, the bin B 302 and the cleaning agent bin 303, and the discharge valves are respectively fixedly connected to the batching box body 1 and the sealing plate 3. Different abrasive materials are introduced into the batching box body 1 through the discharge valves for mixing.

[0036] After adopting the above structural form, different abrasive materials are introduced into the batching box body 1 through the discharge valves for mixing. The spiral feeder 105 rotates to stir the abrasive materials for mixing and moves them towards the position of the guide box 2, so as to carry out rapid mixing work. And according to the spraying requirements, the reduction motor 102 is adjusted to adjust the spraying amount, solving the problem that the structure of the spraying equipment in the prior art is complex and not convenient for material guiding.

[0037] A movable guide plate 202 is installed at the upper end of the guide box 2. A motor 2021 is installed on one side of the movable guide plate 202. The motor 2021 is connected to the guide box 2 through fixing screws. The output shaft of the motor 2021 is fixedly connected to one end of the movable guide plate 202. The other end of the movable guide plate 202 is rotatably connected to the guide box 2. The motor 2021 drives the movable guide plate 202 to rotate. The movable guide plate 202 rotates continuously, driving the abrasive materials entering the guide box 2 to move, so that the abrasive materials are introduced above the inclined sieve plate 104, and the abrasive materials slide through the inclined sieve plate 104 to carry out the material guiding work.

[0038] A integrally formed movable chute 204 is arranged at the lower end of the guide box 2. A sealing valve plate 205 is installed inside the movable chute 204. The sealing valve plate 205 is slidably connected to the guide box 2 through the movable chute 204. An electric cylinder is installed on one side of the sealing valve plate 205, and the electric cylinder is fixedly connected to the sealing valve plate 205. The electric cylinder drives the sealing valve plate 205 to move at the lower end of the sand spraying port 203 to realize the opening and closing control of the spraying port.

[0039] The abrasive materials are introduced into the sand inlet 201. The motor 2021 drives the movable guide plate 202 to rotate. The movable guide plate 202 rotates continuously, guiding the abrasive materials entering the guide box 2 onto the inclined sieve plate 104, and the abrasive materials slide along the inclined sieve plate 104 to realize the material guiding work. During the spraying work, the electric cylinder drives the sealing valve plate 205 to move at the lower end of the sand spraying port 203 to realize the opening and closing control of the spraying port, solving the problems of inconvenient loading and unloading and easy blockage of the spraying equipment in the prior art.

[0040] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A precise surface dressing spraying device for highway pavement, including a batching box body (1), characterized in that, An inclined screening plate (104) is installed inside the batching box body (1); It further includes a material guiding box (2), which is arranged on one side of the batching box body (1). An integrally formed sand inlet (201) is provided at the upper end of the material guiding box (2), and a sand spreading port (203) is provided at the lower end of the material guiding box (2). Both the sand inlet (201) and the sand spreading port (203) are communicated with the batching box body (1); An integrally formed material guiding channel (103) is provided at the lower end inside the batching box body (1). A screw feeder (105) is installed inside the material guiding channel (103), and the screw feeder (105) is used to guide the screened sand material into the material guiding box (2); A sealing plate (3) is installed at the upper end of the batching box body (1). Above the sealing plate (3), there are a material bin A (301), a material bin B (302) and a cleaning agent bin (303). Lowering valves are installed inside the material bin A (301), the material bin B (302) and the cleaning agent bin (303), and the lowering valves are respectively fixedly connected to the batching box body (1) and the sealing plate (3).

2. The surface dressing spraying equipment for highway pavement according to claim 1, characterized in that: A strip-shaped screening port (1041) is integrally formed on the inclined screening plate (104). A feeding paddle (1042) is installed inside the strip-shaped screening port (1041). Connecting shafts (1044) are installed at both ends of the feeding paddle (1042). The connecting shafts (1044) are rotationally connected to the inclined screening plate (104) through bearings. Connecting plates (1043) are installed on both sides of the inclined screening plate (104), and the inclined screening plate (104) is fixedly connected to the batching box body (1) through the connecting plates (1043).

3. The surface dressing spraying equipment for highway pavement according to claim 2, characterized in that: Installation partitions (101) are installed at the front end and the rear end of the batching box body (1). The installation partitions (101) are fixedly connected to the batching box body (1) through buckles and pins. A driving box (1011) is installed outside the installation partitions (101). A motor and a chain drive mechanism are installed inside the driving box (1011), and the motor drives each connecting shaft (1044) to rotate through the chain drive mechanism, so that each feeding paddle (1042) rotates.

4. The surface dressing spraying equipment for highway pavement according to claim 3, characterized in that: A bearing seat is installed on one side of the material guiding channel (103). The screw feeder (105) is rotationally connected to the batching box body (1) through the bearing seat. A reduction motor (102) is installed on one side of the batching box body (1), and the reduction motor (102) is in transmission connection with the screw feeder (105) through a coupling.

5. The surface dressing spraying equipment for highway pavement according to claim 4, characterized in that: A movable material guiding plate (202) is installed at the upper end of the material guiding box (2). A motor (2021) is installed on one side of the movable material guiding plate (202). The motor (2021) is connected to the material guiding box (2) through fixing screws. The output shaft of the motor (2021) is fixedly connected to one end of the movable material guiding plate (202), and the other end of the movable material guiding plate (202) is rotationally connected to the material guiding box (2).

6. The surface dressing spraying equipment for highway pavement according to claim 5, characterized in that: A movable chute (204) integrally formed is provided at the lower end of the material guiding box (2). A sealing valve plate (205) is installed inside the movable chute (204). The sealing valve plate (205) is slidably connected to the material guiding box (2) through the movable chute (204). An electric cylinder is installed on one side of the sealing valve plate (205), and the electric cylinder is fixedly connected to the sealing valve plate (205).

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